CN221155082U - External administration device - Google Patents
External administration device Download PDFInfo
- Publication number
- CN221155082U CN221155082U CN202321888290.9U CN202321888290U CN221155082U CN 221155082 U CN221155082 U CN 221155082U CN 202321888290 U CN202321888290 U CN 202321888290U CN 221155082 U CN221155082 U CN 221155082U
- Authority
- CN
- China
- Prior art keywords
- medicine
- piston cylinder
- piston
- butt joint
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003814 drug Substances 0.000 claims abstract description 88
- 210000001503 joint Anatomy 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 2
- 238000011200 topical administration Methods 0.000 claims 5
- 210000004209 hair Anatomy 0.000 abstract description 12
- 238000012377 drug delivery Methods 0.000 abstract description 11
- 206010011409 Cross infection Diseases 0.000 abstract description 4
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000000474 nursing effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 208000028990 Skin injury Diseases 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 229940079593 drug Drugs 0.000 description 11
- 238000003032 molecular docking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000037380 skin damage Effects 0.000 description 2
- 208000017520 skin disease Diseases 0.000 description 2
- 206010063409 Acarodermatitis Diseases 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 241000447727 Scabies Species 0.000 description 1
- 208000002474 Tinea Diseases 0.000 description 1
- 241000130764 Tinea Species 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002640 perineum Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 208000005687 scabies Diseases 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an external drug delivery device, which comprises a piston cylinder, a piston, a push-pull rod, a limiting disc, a butt joint pipe and a three-way connector. The beneficial effects of the utility model are as follows: the device stores the medicine through the piston cylinder, when the medicine is needed, the push-pull rod pushes the piston to move in the piston cylinder, then the medicine is pressed into the three-way connector and the inner cavity of the medicine brush head, the medicine is smeared on the proper position of the patient body through the brush rod and the medicine outlet, the device is favorable for penetrating through the hair to send the medicine, the medicine released at the tail end of the brush rod is directly contacted with the skin covered with the hair, the operation difficulty of nursing staff is reduced, the cross infection is reduced, meanwhile, the hair around the skin injury is prevented from being stained with excessive medicine, so that the medicine waste is reduced, the three-way connector and the medicine brush head are also provided with the switch valve before being manufactured by adopting silica gel materials, and when the device needs to be closed, the negative pressure is formed in the switch valve through the push-pull piston to enable the deformation to be blocked.
Description
Technical Field
The utility model relates to a drug delivery device, in particular to an external drug delivery device, and belongs to the technical field of medical appliances.
Background
The skin diseases such as tinea, eczema and scabies are greatly puzzled by people due to the symptoms of itching and intolerance, the diseases are usually treated by the external medicine application and the oral medicine application in the treatment process, and in clinical practice, when the skin diseases relate to the vigorous hair parts such as scalp, armpit and perineum, the external medicine application device is needed to solve the problems when the external medicine application device is used for directly applying the external medicine to the hair parts, the medicine application purpose can be achieved, but the medicine consumption is wasted, the cross infection is extremely easy to cause, the medicine is not easy to fully contact with the skin parts, and the external medicine application device is needed to conveniently treat the skin damage parts of the hair.
Disclosure of utility model
The technical scheme of the utility model aims at solving the technical problem that the prior art solution is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art and providing an external administration device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an external application device of dosing, including piston cylinder, piston, push-pull rod and play medicine mechanism, the piston cylinder is whole to be cylindrical structure, the piston slides and sets up in the inside cavity of piston cylinder, and its perisporium and the butt of piston cylinder inner wall, the one end of push-pull rod is connected in the center department of piston, and it passes the through-hole that sets up on the piston cylinder, and be slidingtype connection with the piston cylinder, it includes docking unit and medicine applying unit to go out medicine mechanism, medicine applying unit includes the medicine brush head, docking unit connects in the bottom of piston cylinder, medicine brush head connects in docking unit bottom.
As still further aspects of the utility model: the butt joint unit comprises a butt joint pipe and a three-way connector, wherein the butt joint pipe is arranged at the center of the bottom of the piston cylinder, threads are arranged on the outer wall of the butt joint pipe, threads are arranged on the inner wall of a port of the three-way connector, the three-way connector is detachably connected with the butt joint pipe through the threads, and the medicine brush head is connected to one end of the three-way connector.
As still further aspects of the utility model: the medicine applying unit further comprises a brush rod and a medicine outlet, the brush rods of the cylindrical structures are arranged at the bottoms of the medicine brush heads, the medicine outlet is arranged at the bottoms of the brush rods, and the medicine brush heads and the brush rods are of hollow structures.
As still further aspects of the utility model: the three-way connector and the medicine brush head are also provided with a switch valve which is made of silica gel materials.
As still further aspects of the utility model: an observation window with an arc-shaped structure is arranged on the side wall of the piston cylinder, and scale marks are arranged on the observation window.
As still further aspects of the utility model: the top of the push-pull rod is fixed with a limiting disc, the diameter of the limiting disc is larger than that of the push-pull rod, and a silica gel pad is glued on the surface of the limiting disc.
The beneficial effects of the utility model are as follows:
The device stores the medicine through the piston cylinder, when the medicine is needed, the push-pull rod pushes the piston to move in the piston cylinder, then the medicine is pressed into the three-way connector and the internal cavity of the medicine brush head, the medicine is smeared on the proper position of the patient body through the brush rod and the medicine outlet, the device is favorable for sending the medicine through hairs, the medicine released by the tail end of the brush rod is directly contacted with the skin covered with the hairs, the operation difficulty of nursing staff is reduced, the cross infection is reduced, and meanwhile, the hair around the skin injury is prevented from being stained with excessive medicine, so that the medicine waste is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a piston cylinder according to the present utility model;
FIG. 3 is a schematic view of a docking unit according to the present utility model;
fig. 4 is a schematic view of the structure of the medicine brush head of the present utility model.
In the figure: 1. the device comprises a piston cylinder, 2, a piston, 3, a push-pull rod, 4, a limiting disc, 5, a butt joint pipe, 6, a three-way connector, 7, a switching valve, 8, a medicine brush head, 9, a brush rod, 10, a medicine outlet, 11, an observation window, 12 and a scale mark.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, an external drug delivery device comprises a piston cylinder 1, a piston 2, a push-pull rod 3 and a drug delivery mechanism, wherein the piston cylinder 1 is of a cylindrical structure as a whole, the piston 2 is arranged in an inner cavity of the piston cylinder 1 in a sliding manner, the peripheral wall of the piston 2 is abutted against the inner wall of the piston cylinder 1, one end of the push-pull rod 3 is connected to the center of the piston 2, penetrates through a through hole formed in the piston cylinder 1 and is connected with the piston cylinder 1 in a sliding manner, the drug delivery mechanism comprises a butt joint unit and a drug delivery unit, the drug delivery unit comprises a drug brush head 8, the butt joint unit is connected to the bottom of the piston cylinder 1, and the drug brush head 8 is connected to the bottom of the butt joint unit;
The butt joint unit comprises a butt joint pipe 5 and a three-way connector 6, the butt joint pipe 5 is arranged at the center of the bottom of the piston cylinder 1, threads are arranged on the outer wall of the butt joint pipe, threads are arranged on the inner wall of a port of the three-way connector 6, the three-way connector 6 is detachably connected with the butt joint pipe 5 through the threads, and the medicine brush head 8 is connected to one end of the three-way connector 6;
The medicine applying unit further comprises a brush rod 9 and a medicine outlet 10, wherein the brush rods 9 with a plurality of cylindrical structures are arranged at the bottom of the medicine brush head 8, the medicine outlet 10 is arranged at the bottom of the brush rod 9, and the medicine brush head 8 and the brush rod 9 are both hollow structures;
In this device through piston cylinder 1 to the medicine storage, when needs use medicine, promote piston 2 through push-and-pull rod 3 and remove in piston cylinder 1, and then with the medicine indentation tee bend connector 6 and the inside cavity of medicine brush head 8 in, through brush-holder stud 9 and play medicine mouth 10 with the medicine smear to the patient on the suitable position on the health, the device is favorable to passing the hair and sends the medicine, make the medicine that brush-holder stud 9 terminal released directly contact with the skin that covers the hair, the operation degree of difficulty of nursing staff has been reduced, reduce cross infection, avoid skin damage hair around to be stained with too much medicine simultaneously, in order to reduce the medicine waste.
Example two
As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:
The three-way connector 6 and the medicine brush head 8 are also provided with a switch valve 7 before, the switch valve 7 is made of a silica gel material, and the switch valve 7 formed by the silica gel material makes the device to form negative pressure in the switch valve 7 through pulling the piston 2 to enable the device to be deformed and blocked when the device needs to be closed, and meanwhile, medicines in the device are sucked into the piston cylinder 1.
The side wall of the piston cylinder 1 is provided with an observation window 11 with an arc-shaped structure, and the observation window 11 is provided with scale marks 12, so that a user can intuitively observe the usage amount of the medicine.
The top of push-pull rod 3 is fixed with spacing dish 4, and the diameter of spacing dish 4 is greater than push-pull rod 3 to the whole silica gel pad that glues in the surface of spacing dish 4, the user of being convenient for promotes push-pull rod 3, and improves the comfort level when promoting.
Working principle: when the drug delivery device is used, drugs are stored through the piston cylinder 1, then the three-way connector 6, the switch valve 7 and the drug brush head 8 are sequentially connected to the bottom of the piston cylinder 1, when the drug is needed to be used, the push-pull rod 3 pushes the piston 2 to move in the piston cylinder 1, then the drugs are pressed into the inner cavity of the drug brush head 8, the drugs are smeared on proper positions on a patient body through the brush rod 9 and the drug outlet 10, when the drug delivery device is not used, the push-pull rod 3 is pulled, and then negative pressure is formed in the switch valve 7 through the movement of the pull piston 2 to enable the negative pressure to be deformed and blocked, and meanwhile, the drugs in the drug delivery device are sucked into the piston cylinder 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides an external application device of dosing, includes piston cylinder (1), piston (2), push-and-pull rod (3) and play medicine mechanism, a serial communication port, piston cylinder (1) wholly is cylindrical structure, piston (2) slip sets up in piston cylinder (1) inside cavity, and its perisporium and piston cylinder (1) inner wall butt, the one end of push-and-pull rod (3) is connected in the center department of piston (2), and its through-hole that passes to set up on piston cylinder (1) to be sliding connection with piston cylinder (1), go out medicine mechanism and include butt joint unit and medicine applying unit, medicine applying unit includes medicine brush head (8), the butt joint unit is connected in the bottom of piston cylinder (1), medicine brush head (8) are connected in butt joint unit bottom.
2. A topical administration device as claimed in claim 1, wherein: the butt joint unit comprises a butt joint pipe (5) and a three-way connector (6), wherein the butt joint pipe (5) is arranged at the center of the bottom of the piston cylinder (1) and is provided with threads on the outer wall of the butt joint pipe, threads are arranged on the inner wall of a port of the three-way connector (6), the three-way connector (6) is detachably connected with the butt joint pipe (5) through the threads, and the medicine brush head (8) is connected with one end of the three-way connector (6).
3. A topical administration device as claimed in claim 1, wherein: the medicine applying unit further comprises a brush rod (9) and a medicine outlet (10), the brush rod (9) with a plurality of cylindrical structures is arranged at the bottom of the medicine brush head (8), the medicine outlet (10) is arranged at the bottom of the brush rod (9), and the medicine brush head (8) and the brush rod (9) are of hollow structures.
4. A topical administration device as claimed in claim 2, wherein: the three-way connector (6) and the medicine brush head (8) are also provided with a switch valve (7) before, and the switch valve (7) is made of silica gel materials.
5. A topical administration device as claimed in claim 1, wherein: an observation window (11) with an arc-shaped structure is arranged on the side wall of the piston cylinder (1), and scale marks (12) are arranged on the observation window (11).
6. A topical administration device as claimed in claim 1, wherein: the top of push-pull rod (3) is fixed with spacing dish (4), and the diameter of spacing dish (4) is greater than push-pull rod (3) to the whole silica gel pad that glues in the surface of spacing dish (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888290.9U CN221155082U (en) | 2023-07-18 | 2023-07-18 | External administration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888290.9U CN221155082U (en) | 2023-07-18 | 2023-07-18 | External administration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221155082U true CN221155082U (en) | 2024-06-18 |
Family
ID=91439983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321888290.9U Active CN221155082U (en) | 2023-07-18 | 2023-07-18 | External administration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221155082U (en) |
-
2023
- 2023-07-18 CN CN202321888290.9U patent/CN221155082U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |